It's coming a day after Russia's Supreme Court rejected the religious group's appeal and upheld an April ruling which declared the organization "extremist" and ordered it to disband in Russia.
"We plan to appeal this at the European Court of Human Rights as soon as we can," Yaroslav Sivulskiy, a member of the European Association of Jehovah's Christian Witnesses, said by phone.
"All legal avenues inside Russia have been exhausted."
